Robert Towers (born August 19, 1936) is a retired American actor who has appeared in many television shows, including Star Trek: The Next Generation. He also played Buster the coke-snorting jockey on It's Always Sunny in Philadelphia in season 3 episode "The Gang Gets Whacked". He played the teenage Benjamin in the feature film, The Curious Case of Benjamin Button. Towers provided the speaking and singing voice of Snoopy in You're a Good Man, Charlie Brown, reprising the role he played on stage in Los Angeles. (Via Wikipedia)